Build (method = -2) #dp: 5140 Step-3' Graph: 839 vertices and 2510 arcs (0.05s) Step-4' Graph: 207 vertices and 1246 arcs (0.05s) #V4/#V3 = 0.25 #A4/#A3 = 0.50 Ready! (0.05s) Optimize a model with 267 rows, 1247 columns and 3331 nonzeros Presolve removed 35 rows and 83 columns Presolve time: 0.02s Presolved: 232 rows, 1164 columns, 3176 nonzeros Variable types: 0 continuous, 1164 integer (0 binary) Found heuristic solution: objective 2399.0000000 Found heuristic solution: objective 2295.0000000 Optimize a model with 232 rows, 1164 columns and 3176 nonzeros Presolved: 232 rows, 1164 columns, 3176 nonzeros Root barrier log... Ordering time: 0.00s Barrier statistics: AA' NZ : 1.773e+03 Factor NZ : 6.539e+03 Factor Ops : 2.481e+05 (less than 1 second per iteration) Threads : 1 Objective Residual Iter Primal Dual Primal Dual Compl Time 0 6.68675702e+04 -1.95308605e+05 8.47e+05 2.22e-16 1.15e+03 0s 1 1.77598600e+04 -8.01107973e+04 1.23e+05 5.55e-16 1.81e+02 0s 2 4.11316847e+03 -2.79287644e+04 1.10e+04 2.92e-14 2.42e+01 0s 3 2.63914512e+03 -1.00555238e+04 1.70e+03 9.44e-15 6.60e+00 0s 4 1.98800107e+03 -5.37309798e+03 1.74e+02 5.11e-15 3.21e+00 0s 5 1.64260404e+03 -2.54605310e+03 6.74e+01 2.89e-15 1.80e+00 0s 6 1.41797918e+03 -9.63726660e+02 2.97e+01 1.55e-15 1.02e+00 0s 7 1.28997728e+03 3.25307678e+01 1.20e+01 1.11e-15 5.35e-01 0s 8 1.23352249e+03 7.41801633e+02 6.46e+00 5.55e-16 2.09e-01 0s 9 1.18593765e+03 1.15450346e+03 2.03e-02 4.44e-16 1.33e-02 0s 10 1.18500440e+03 1.18496943e+03 7.86e-12 3.90e-16 1.48e-05 0s 11 1.18500000e+03 1.18500000e+03 1.91e-11 4.44e-16 1.51e-11 0s 12 1.18500000e+03 1.18500000e+03 6.82e-13 2.24e-16 2.19e-17 0s Barrier solved model in 12 iterations and 0.01 seconds Optimal objective 1.18500000e+03 Root relaxation: objective 1.185000e+03, 733 iterations, 0.02 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 1185.0000000 1185.00000 0.0% - 0s Explored 0 nodes (900 simplex iterations) in 0.06 seconds Thread count was 1 (of 8 available processors) Optimal solution found (tolerance 0.00e+00) Best objective 1.185000000000e+03, best bound 1.185000000000e+03, gap 0.0% Preprocessing time: 0.06 seconds Gurobi run time: 0.06 seconds Total run time: 0.12 seconds Objective: 1185 Solution: 22 x [22, 43] 59 x [2, 6, 58] 3 x [22, 56] 35 x [12, 55, 56] 5 x [10, 33] 2 x [5, 10, 33] 48 x [5, 22, 33] 15 x [30, 36, 60] 14 x [36, 60] 5 x [36, 45] 3 x [36, 44, 45] 43 x [36, 44, 53] 12 x [2, 36] 5 x [40] 12 x [22, 40] 8 x [38, 40, 53] 9 x [2, 40] 20 x [38, 40] 41 x [5, 25, 44] 5 x [25, 44] 2 x [2, 25] 13 x [8, 10] 33 x [8, 13] 28 x [27, 41, 45] 6 x [3, 27, 58] 9 x [7, 9, 14] 2 x [9, 14, 46] 5 x [14, 42, 58] 68 x [7, 14, 30] 21 x [1, 31] 51 x [1, 10] 15 x [1, 55] 5 x [1, 59] 19 x [17, 19, 42] 3 x [17, 20] 1 x [17, 20, 58] 37 x [4, 11, 35] 28 x [4, 21] 9 x [4, 20] 6 x [4, 20, 41] 53 x [37, 52] 16 x [23, 32, 37] 6 x [35, 48, 49] 34 x [3, 46, 48] 16 x [42, 54, 58] 12 x [29, 46, 49] 26 x [20, 29, 55] 14 x [51] 47 x [34, 51, 57] 18 x [26, 28, 42] 5 x [20, 28] 3 x [28, 42] 1 x [16] 69 x [15, 16, 50] 12 x [16, 32, 45] 8 x [10, 16] 8 x [15, 47, 49] 6 x [47, 49] 35 x [3, 24, 52] 35 x [24, 34, 49] 16 x [18, 24, 49] 9 x [24, 49] 8 x [32, 35, 39] 1 x [35, 39]